NXP Semiconductors
UM10858
PN7462 family HW user manual
UM10858
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User manual
COMPANY PUBLIC
Rev. 1.4 — 14 May 2018
314514
70 of 345
Bit
Symbol
Access Value
Description
0: Disable the CLIF PLL
7.7.4 INPUT CLOCK DETECTOR CONTROL REGISTER
Table 64. CLKGEN_INPUT_CLOCK_DETECTOR_CONTROL_REG (address 0024h)
Bit
Symbol
Access
Value
Description
31:14
RESERVED
R/W
0x0
Reserved
14
USB_PLL_CLK_IN_OK_BYPASS
R/W
0x0
usb pll clk_in detection override
1: usb_pll_clk_in detection overridden. Clk_in_ok
set to '1'
13
USB_CLK_DETECT_ENABLE
R/W
0x0
Enable usb_pll_clk_in detect
1: Enable usb_pll_clk_in detection
12:5
INPUT_USB_CLOCK_EDGES_NUM
BER
R/W
0x80
Defines the expected amount of input clock edges
during the detection window length. Default value is
set to detect a 27.12 MHz input clock.
4:0
DETECTION_WINDOW_LENGTH
R/W
0x0D
Defines the detection window length (in HFO/8
clock cycles).
Default value is set to detect a 27.12 MHz input
clock.
7.7.5 CLOCK PRESENCE BYPASS REG
Table 65. CLKGEN_CLOCK_PRESENCE_BYPASS_REG (address 002Ch)
Bit
Symbol
Access
Value
Description
31:2
RESERVED
R/W
0x0
Reserved
1
CLOCK_PRESENCE_BYPASS_V
AL
R/W
0x0
Value to apply to clif_pll_lock2_o signal when
corresponding enable bit is set
0: set clif_pll_lock2_o signal to 0
1: set clif_pll_lock2_o signal to 1
0
CLOCK_PRESENCE_BYPASS_E
NABLE
R/W
0x0
1: Enable bypass of the clif_pll_lock2_o signal to the
value stored in clock_presence_bypass_val
0: Disable Bypass of the clif_pll_lock2_o signal